asyncrat | d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 12:39

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General

Target
d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
Size 45KB
Sample260701-pvlw5set3k
SHA256 d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da
MD5 8ea1ed0ad666b344e9e0f47e021b06a7
SHA1 7155d623f534071efba0904507ebc3c6010226c8
SHA512 28d8e5ed3de60707b464bd41987fca153972debd027f326971c8f57fe303c4094e48e1ee7f6f2c2ee81cbb4aaf673a58fcf37fa5a6c2013f8f96fd90a6c9cec6
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9oozfy3CKPI0DjbQgX3icpvpIovdxBDZsx:EufspTf2g20TR0nbXXScpRnPdsx
TLSH
T1E6232B0037E9C12BF2BE5F78A9F26105867AF6633A03D6891CC411DB5613FC58A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

istanbulozelegitim.net:80
istanbulozelegitim.net:22
istanbulozelegitim.net:8080
istanbulozelegitim.net:8880
istanbulozelegitim.net:2052
istanbulozelegitim.net:2082
istanbulozelegitim.net:2086
istanbulozelegitim.net:2095
istanbulozelegitim.net:443
istanbulozelegitim.net:2053
istanbulozelegitim.net:2083
istanbulozelegitim.net:2087
istanbulozelegitim.net:2096
istanbulozelegitim.net:8443
www.istanbulozelegitim.net:80
www.istanbulozelegitim.net:22
www.istanbulozelegitim.net:8080
www.istanbulozelegitim.net:8880
www.istanbulozelegitim.net:2052
www.istanbulozelegitim.net:2082
www.istanbulozelegitim.net:2086
www.istanbulozelegitim.net:2095
www.istanbulozelegitim.net:443
www.istanbulozelegitim.net:2053
www.istanbulozelegitim.net:2083
www.istanbulozelegitim.net:2087
www.istanbulozelegitim.net:2096
www.istanbulozelegitim.net:8443
conti.istanbulozelegitim.net:80
conti.istanbulozelegitim.net:22
conti.istanbulozelegitim.net:8080
conti.istanbulozelegitim.net:8880
conti.istanbulozelegitim.net:2052
conti.istanbulozelegitim.net:2082
conti.istanbulozelegitim.net:2086
conti.istanbulozelegitim.net:2095
conti.istanbulozelegitim.net:443
conti.istanbulozelegitim.net:2053
conti.istanbulozelegitim.net:2083
conti.istanbulozelegitim.net:2087
conti.istanbulozelegitim.net:2096
conti.istanbulozelegitim.net:8443
lokibot.istanbulozelegitim.net:80
lokibot.istanbulozelegitim.net:22
lokibot.istanbulozelegitim.net:8080
lokibot.istanbulozelegitim.net:8880
lokibot.istanbulozelegitim.net:2052
lokibot.istanbulozelegitim.net:2082
lokibot.istanbulozelegitim.net:2086
lokibot.istanbulozelegitim.net:2095
lokibot.istanbulozelegitim.net:443
lokibot.istanbulozelegitim.net:2053
lokibot.istanbulozelegitim.net:2083
lokibot.istanbulozelegitim.net:2087
lokibot.istanbulozelegitim.net:2096
lokibot.istanbulozelegitim.net:8443

Mutex

FWkGgpSmENdG

Attributes

delay
0
install
true
install_file
d62zdgc.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x001300000001c456-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
1836	d62zdgc.exe
5068	d62zdgc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d62zdgc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d62zdgc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5820	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
Token: SeDebugPrivilege	1836	d62zdgc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 4428	940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe	88
PID 940 wrote to memory of 1792	940	d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe	89
PID 4428 wrote to memory of 5372	4428	cmd.exe	92
PID 1792 wrote to memory of 5820	1792	cmd.exe	93
PID 1792 wrote to memory of 5068	1792	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe
"C:\Users\Admin\AppData\Local\Temp\d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "d62zdgc" /tr '"C:\Users\Admin\AppData\Roaming\d62zdgc.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "d62zdgc" /tr '"C:\Users\Admin\AppData\Roaming\d62zdgc.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5372
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBEF6.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5820
- - C:\Users\Admin\AppData\Roaming\d62zdgc.exe
    "C:\Users\Admin\AppData\Roaming\d62zdgc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5068

C:\Users\Admin\AppData\Roaming\d62zdgc.exe
"C:\Users\Admin\AppData\Roaming\d62zdgc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1836

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpBEF6.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpBEF6.tmp.bat
Size 151B
SHA256 b5339312e83ab0741e1678f6e21fc48d943097a7e6d10788ec2c8c464ac21bd1
MD5 d8c5a60e0f6402bf0950c464aa23f9d2
SHA1 0162fcd703e7e62aa72a25ab00637aac13a2c261
SHA512 e1f6fd3a6090a3b64da42f14314eecf9b65633f6fc610b4313573ad10155c9513f58a3a36805ca875f3ba3cab4b7ac623c18ff464359e4bc452856c6147a7b04
TLSH
T131C08C9355C6AA5F3809142302BAD48C9176A8293E40EB00C744404D2680449E09D342
MD5 SHA1 SHA512 TLSH

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d62zdgc.exe

Path C:\Users\Admin\AppData\Roaming\d62zdgc.exe
Size 45KB
SHA256 d1afa7f557f24f62e9a7e74d2c319884733aec2aa26ee6b18a978791f97890da
MD5 8ea1ed0ad666b344e9e0f47e021b06a7
SHA1 7155d623f534071efba0904507ebc3c6010226c8
SHA512 28d8e5ed3de60707b464bd41987fca153972debd027f326971c8f57fe303c4094e48e1ee7f6f2c2ee81cbb4aaf673a58fcf37fa5a6c2013f8f96fd90a6c9cec6
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9oozfy3CKPI0DjbQgX3icpvpIovdxBDZsx:EufspTf2g20TR0nbXXScpRnPdsx
TLSH
T1E6232B0037E9C12BF2BE5F78A9F26105867AF6633A03D6891CC411DB5613FC58A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/940-0-0x00000000750E2000-0x00000000750E3000-memory.dmp

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memory/940-1-0x0000000000C50000-0x0000000000C62000-memory.dmp

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memory/940-2-0x00000000750D0000-0x000000007588C000-memory.dmp

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memory/940-3-0x0000000005790000-0x000000000582C000-memory.dmp

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memory/940-8-0x00000000750D0000-0x000000007588C000-memory.dmp

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memory/1836-12-0x0000000074F60000-0x000000007571C000-memory.dmp

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memory/1836-14-0x0000000074F60000-0x000000007571C000-memory.dmp

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